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CPC Subgroup
H01H 50/36

Stationary parts of magnetic circuit, e.g. yoke

Full Title

Details of electromagnetic relays ( electric circuit arrangements H01H47/00; details of electrically-operated selector switches H01H63/00) > Magnetic circuit arrangements > Stationary parts of magnetic circuit, e.g. yoke

6 direct subcodes

Child Classifications

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  • H01H 2050/362
  • H01H 2050/365
  • H01H 2050/367
  • H01H 50/38 Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
  • H01H 50/40 Branched or multiple-limb main magnetic circuits
  • H01H 50/42 Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080